Five companies sell nearly all of youth culture  

five enormous companies

a handful of massive conglomerates

the major TV networks

commercial cable channel

this massive empire that they're colonizing

the range

weaponry

Internet access

amusement park

to make money off of this market

 
Everything on MTV is a commercial  

a media giant

the coolest conglomerate on the block

crown jewel    /     to launch

record companies' promotional music videos

a commercial

the set that's filled with trendy clothes

an upcoming movie     /     to hype

an infomercial    /    a non-commercial part

airwaves filled with cheap and easy content

the cameras swirling over our heads

to connect the dots     /     50 bucks

get a plug on MTV's show     /    to gobble up